Messier 107
Messier 107 or M107, also known as NGC 6171, is a very loose globular cluster in a very mildly southern part of the sky close to the equator in Ophiuchus, and is the last such object in the Messier Catalogue.
| Messier 107 | |
|---|---|
M107 from Hubble Space Telescope; 3.5′ view | |
| Observation data (J2000 epoch) | |
| Class | X |
| Right ascension | 16h 32m 31.86s |
| Declination | –13° 03′ 13.6″ |
| Distance | 20.9 kly (6.4 kpc) |
| Apparent magnitude (V) | 7.9 |
| Apparent dimensions (V) | 10′ |
| Physical characteristics | |
| Mass | 1.82×105 M☉ |
| Radius | 30 ly |
| Metallicity | = –0.95 dex |
| Estimated age | 13.95 Gyr |
| Other designations | C 1629-129, GCl 44, M 107, NGC 6171 |
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